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Finding the Fourth Proportional to 40,668.96, 60,999.12 and 19,602.48

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Solution

The fourth proportional to 40,668.96, 60,999.12 and 19,602.48 is: 29,401.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,668.96 : 60,999.12 = 19,602.48 : x
  2. Step 2: Convert to fraction form
    40,668.96/60,999.12 = 19,602.48/x
  3. Step 3: Cross multiply
    40,668.96x = 60,999.12 × 19,602.48
  4. Step 4: Simplify right side
    40,668.96x = 1,195,734,029.82
  5. Step 5: Solve for x
    x = 1,195,734,029.82/40,668.96
  6. Step 6: Final answer
    x = 29,401.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.